Re: [PATCH] ipv4: set the tcp_min_rtt_wlen range from 0 to one day

From: ZhangXiaoxu Date: Tue, 16 Apr 2019 09:47:24 +0800 > There is a UBSAN report as below: > UBSAN: Undefined behaviour in net/ipv4/tcp_input.c:2877:56 > signed integer overflow: ... > It can be reproduced by: > echo 2147483647 > /proc/sys/net/ipv4/tcp_min_rtt_wlen > > Fixes: f672258391b42 (

[PATCH] ipv4: set the tcp_min_rtt_wlen range from 0 to one day

There is a UBSAN report as below: UBSAN: Undefined behaviour in net/ipv4/tcp_input.c:2877:56 signed integer overflow: 2147483647 * 1000 cannot be represented in type 'int' CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.1.0-rc4-00058-g582549e #1 Call Trace: dump_stack+0x8c/0xba ubsan_epilogue+0x11/